Synonyms of stupendous

stupendous

adjective

stu̇-ˈpen-dəs 

as in wonderful

causing wonder or astonishment

the stupendous engineering feats achieved by the ancient Romans

Synonyms & Similar Words

• wonderful
• amazing
• astonishing
• miraculous
• marvelous
• incredible
• surprising
• stunning
• sublime
• staggering
• extraordinary
• awesome
• impressive
• remarkable
• wondrous
• spectacular
• astounding
• prodigious
• fabulous
• portentous
• awful
• unbelievable
• outstanding
• unusual
• fascinating
• interesting
• unimaginable
• inconceivable
• phenomenal
• incomprehensible
• unique
• exciting
• eye-opening
• unthinkable
• striking
• rare
• enchanting
• uncommon
• noticeable
• sensational
• notable
• charming
• attractive
• conspicuous
• unwonted
• attracting
• singular
• mind-blowing
• mind-boggling
• alluring
• entertaining
• enlightening
• smashing
• mind-bending
• enthralling
• beguiling
• bewitching
• enlivening
• invigorating
• captivating
• stimulating
• energizing
• animating
• galvanizing

Antonyms & Near Antonyms

• unremarkable
• unimpressive
• tedious
• monotonous
• boring
• typical
• usual
• ordinary
• uninteresting
• uninspiring
• normal
• dull
• wearisome
• weary
• common
• tiring
• customary
• mundane
• unexceptional
• uninspired
• wearying
• exhausting
• draining
• fatiguing
• debilitating
• discouraging
• wearing
• jading
• enervating
• demoralizing
• disheartening
• dispiriting
• enfeebling

Synonym Chooser

How is the word stupendous different from other adjectives like it?

Some common synonyms of stupendous are monstrous, prodigious, and tremendous. While all these words mean "extremely impressive," stupendous implies a power to stun or astound, usually because of size, numbers, complexity, or greatness beyond description.

a stupendous volcanic eruption

In what contexts can monstrous take the place of stupendous?

The words monstrous and stupendous are synonyms, but do differ in nuance. Specifically, monstrous implies a departure from the normal (as in size, form, or character) and often carries suggestions of deformity, ugliness, or fabulousness.

the monstrous waste of the project

When is prodigious a more appropriate choice than stupendous?

Although the words prodigious and stupendous have much in common, prodigious suggests a marvelousness exceeding belief, usually in something felt as going far beyond a previous maximum (as of goodness, greatness, intensity, or size).

made a prodigious effort and rolled the stone aside

Where would tremendous be a reasonable alternative to stupendous?

While in some cases nearly identical to stupendous, tremendous may imply a power to terrify or inspire awe.

the tremendous roar of the cataract

Example Sentences

Recent Examples of stupendous

The mantra heading into second-quarter results is that another display of stupendous growth of 24% over a year earlier makes equities appear quite reasonably priced. — Michael Santoli, CNBC, 14 July 2026

Between Sandoval’s 4 1/3 innings of one-run ball and a stupendous collective effort by the Boston bullpen, the Red Sox completed a 2-1 victory and series sweep of the White Sox in a brisk two hours and 32 minutes. — Gabrielle Starr, Boston Herald, 9 July 2026

The Boston bullpen followed with stupendous collective effort, and in a timely two hours and 32 minutes, the Red Sox completed 2-1 victory for a series sweep of the White Sox. — Kels Dayton, Hartford Courant, 9 July 2026

Since SpaceX’s stupendous debut, the math governing a potential union has improved substantially. — Andrew Nusca, Fortune, 22 June 2026